In-Situ RDO PRO Process Optical Dissolved Oxygen Sensor Manual - Manual (Page 23)

7.0 Specifications
Optical RDO PRO Dissolved Oxygen Probe
Sensor type Optical (luminescent) dissolved oxygen sensor
RDO PRO Probe
Range: 0 to 50 mg/L concentration; 0 to 200% saturation
Accuracy: ±0.1 mg/L, 0 to 8 mg/L
±0.2 mg/L, 8 to 20 mg/L
±10% of reading, 20 to 50 mg/L
Resolution: 0.01 mg/L
Response time: T90 < 45 sec; T95 < 60 sec @ 25°C
Storage conditions: -5° to 60° C (23° to 140° F)
RDO sensor cap
Usage life: 1 year from first instrument reading
Shelf life: 24 months from date of manufacture (install within 12 months
of manufacture)
Storage conditions: 1° to 60° C (33° to 140° F), in factory container
Temperature sensor
Range: 0° to 50° C (32° to 122° F)
Accuracy: ±0.1° C typical
Resolution: 0.01° C
Transmitter/local display Optional, or use with Con TROLL
®
PRO System
Communications options Modbus/RS485, 4-20 mA, SDI-12
Max. power consumption 50 mA at 12 VDC
Measure current 6 mA typical at 24 VDC
Idle current (no measurement
or communication)
160 µA typical at 24 VDC
Maximum cable length
Up to1219 m (4000 ft) (for Modbus and 4-20 mA) or up to 60.96 m (200
ft) (for SDI-12)
Cable options
10-m fixed stripped-and-tinned;
Twist-lock connector with user-selectable cable length
Internal mounting thread 1¼ - 11 ½ NPT
IP rating IP-67 with cap off, IP-68 with cap installed
Compliance Heavy industrial, IEC 61000-6-2:2005
Salinity compensation Fixed or real-time capable (using Con TROLL PRO or controller)
Barometric pressure Fixed or real-time capable (using Con TROLL PRO or controller)
Maximum pressure 150 psi from 0 to 50° C; 300 psi @ 25° C
Warranty 3 years from date of shipment
Methods
Standard Methods 4500-O; In-Situ Methods 1002-8-2009,1003-8-2009,
1004-8-2009 (EPA approved)
Page 23 Specifications